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645 Knickerbocker St, Madison, WI 53711 Property Records

Dane County property record for 645 Knickerbocker St, Madison, WI 53711

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,132 sqft · built 1930
Lot Size0.11 acres (4,800 sqft)
OwnerIndividual Name on Record
Last Sale$328,000 (May 2017)
Tax Bill$7,813 (2024)
Deeds & MortgagesJul 2024 Transfer
May 2017 Sale
Flood ZoneZone X (minimal risk)
APN0709-281-0612-3

Property Details

APN / Parcel Number

Primary APN0709-281-0612-3

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms8 Rooms
Stories1 Story
Building Area1,132 sqft Living Area
1st Floor Area928 sqft
Attic Area204 sqft
Basement Area820 sqft
FlooringWood
Interior WallsPlaster

Exterior

Year BuiltBuilt 1930
Effective Year BuiltEffective 1973
Architectural StyleBungalow
Exterior MaterialWood
Construction TypeWood
Foundation TypeConcrete
Roof MaterialAsphalt
Lot Area4,800 sqft (0.11 acres)
Lot Dimensions120 ft deep x 40 ft wide
Garage TypeDetached
Garage Area264 sqft
DrivewayDriveway
Driveway Area300 sqft
Parking Spaces1 Parking Space
PorchEnclosed Porch
Porch Area72 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address645 KNICKERBOCKER ST
CityMADISON
StateWI
Zip53711-1848
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeTR-C2
Legal DescriptionPLAT OF WINGRA, LOT 25, BLOCK 9
Legal Range09
Legal Township07
Legal Section28
Legal SubdivisionPLAT OF WINGRA
Legal Block9
Legal Lot Number25
JurisdictionDANE WI
Township / Civil DivisionMADISON
Census Block Group1
Census Block1002
Census Tract1000

Owner

Source: Dane County records, as of January 22, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Co-ownerCo-owner on Record
OccupancyOwner Occupied
Owner TypeIndividual, Secondary Company

Deeds, Mortgages & Sale History

DateDocument
Jul 11, 2024Intrafamily Transfer, Transfer
May 19, 2017Warranty Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 19, 2017 · Amount on Record
Deed SaleMay 19, 2017 · Amount on Record
Prior SaleMay 19, 2017 · Amount on Record
Deed Document Number0005326901
Last Transfer DateJul 11, 2024
Transfer Doc0005973347
Record UpdatedJun 8, 2026

July 2024: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionDANE WI
Recording DateJul 11, 2024
Property Address645 KNICKERBOCKER ST, MADISON, WI 53711-1848
Document Number0005973347
Instrument DateJun 12, 2024
Instrument5973347
Transaction TypeTransfer
Record UpdatedJan 23, 2026

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address11109 OLD BRIDGE RD, GRAND BLANC, MI 48439-1055

Transferred To (Grantee/Buyer)

NameVerified Name

May 2017: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDANE WI
Recording DateMay 19, 2017
Property Address645 KNICKERBOCKER ST, MADISON, WI 53711-1848
Document Number0005326901
Instrument DateMay 16, 2017
Instrument5326901
Transaction TypeTransfer
Record UpdatedJun 6, 2017
Title CompanyATTORNEY ONLY

Transaction

AmountAmount Recorded
Tax$984.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address11109 OLD BRIDGE RD GRAND BLANC MI 484391055, GRAND BLANC, MI 48439-1055

Tax Assessment & Valuation

Source: Dane County assessment roll, as of January 1, 2025

Property Jurisdictions

TypeName
StateWisconsin
CountyDane County
MunicipalityMadison City
Unified School DistrictMadison Metropolitan School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$461,300 (+9.99%) Land $171,500 Building $289,800
2024$7,813.00 (+9.17%)$461,300
2023$419,400 Land $137,200 Building $282,200
2022$7,157.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 20, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemMADISON WATER UTILITY
serves 272,000 people · EPA ID WI1130224
Water SourceGroundwater
Last State InspectionApr 2023
Lead2 ppb (2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureLead service line inventory
Oct 2024
Monitoring and Reporting1
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 410 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area		1,000 / 1,000
Verizon
Fixed Wireless		300 / 20
LiteWire
Fixed Wireless		100 / 25
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

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